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Sputnik was launched as the first satellite in space by the USSR -
The dog Laika was the first animal in space on Sputnik 2 by the USSR -
Explorer 1 was the first satellite launched by the United States -
The US congress passes legislation establishing the National Aeronautics and Space Administration -
This was the first time man had ever stepped foot on the moon and the crew consisted of Neil Armstrong, Buzz Aldrin, and Michael Collins -
Ham the chimpanzee was on the Mercury-Redstone 2 mission. -
Cosmonaut Yuri Gagarin was the first man in space sent by the USSR -
Yuri Gagarin was the first man in space and was also the first man to do one complete orbit around Earth -
Alan B. Shepard was the first US man in space -
President JFK wanted the US to be the first country to get to the moon before the end of the 60s -
John Glenn was the first American man to orbit Earth -
The Gemini mission has started -
Alexei Leonov was the first man to perform an EVA and he spent 12 minutes outside the spacecraft -
Ed White was the first American man to perform an EVA and he was outside the aircraft for 20 minutes -
Ed White becomes the first American to do a space walk -
The original crew members of Gemini 9, Elliot See and Charles Bassett, were both killed in a plane crash before take off -
Edwin "Buzz" Aldrin proves that useful work could be done outside the spacecraft without life-threatening exhaustion -
A fire had started in the spacecraft killing three men, Gus Grissom, Ed White, and Roger Chaffee -
The first crew flight in NASA's Apollo program -
The first crewed spacecraft to leave low Earth orbit, also the first human spaceflight to reach another astronomical object aka the moon -
The first flight of the Apollo spacecraft with the command and service module with the Lunar Module -
A practice for the actual moon landing, they tested all of the components and procedures